126313031 has 8 divisors (see below), whose sum is σ = 136345440. Its totient is φ = 116325792.

The previous prime is 126313013. The next prime is 126313039. The reversal of 126313031 is 130313621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126313031 - 2¹⁴ = 126296647 is a prime.

It is a super-2 number, since 2×126313031² = 31909963600813922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126312994 and 126313012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126313039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5360 + ... + 16773.

It is an arithmetic number, because the mean of its divisors is an integer number (17043180).

Almost surely, 2^126313031 is an apocalyptic number.

126313031 is a deficient number, since it is larger than the sum of its proper divisors (10032409).

126313031 is a wasteful number, since it uses less digits than its factorization.

126313031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22585.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 126313031 is about 11238.9070198129. The cubic root of 126313031 is about 501.7446135670.

Adding to 126313031 its reverse (130313621), we get a palindrome (256626652).

The spelling of 126313031 in words is "one hundred twenty-six million, three hundred thirteen thousand, thirty-one".